---
title: "Atlantic Union — Clean Truck Check, Naperville, IL"
description: "Atlantic Union in Naperville, IL is on CARB's Clean Truck Check tester list. Offers OBD testing, smoke opacity (non-OBD) testing, motorhome testing. Phone…"
url: "https://ctcfinder.com/tester/atlantic-union-naperville-il/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Atlantic Union

Clean Truck Check tester in Naperville, IL.

> CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester.

| Field | Value |
|---|---|
| Location | Naperville, IL 60564 |
| Phone | (847) 977-8593 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Atlantic Union can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

If you need a tester at your yard, the nearest listed tester that offers mobile testing is First Fleet HUB LLC in Naperville, about 1 mile away. [See listing](https://ctcfinder.com/tester/first-fleet-hub-llc-naperville-il/).

## Clean Truck Check testers in Illinois

Atlantic Union is one of 65 testing businesses in Illinois on CARB's public tester list. 44 of them offer mobile testing and 19 do smoke opacity tests.

## When your truck is due

Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## Frequently asked questions

### Does Atlantic Union offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [First Fleet HUB LLC](https://ctcfinder.com/tester/first-fleet-hub-llc-naperville-il/) (about 1 mile).

### Can Atlantic Union test a 2012 or older diesel truck?

Yes. Atlantic Union lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does Atlantic Union charge for a Clean Truck Check?

Atlantic Union has not published prices with us; call (847) 977-8593 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/).

### Is Atlantic Union a CARB-credentialed tester?

Atlantic Union appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.

## Other testers nearby

- **[First Fleet HUB LLC](https://ctcfinder.com/tester/first-fleet-hub-llc-naperville-il/)** — 10S241 Schoger Dr, Naperville, IL 60564 — (331) 625-5270 — 1 mi. Services: mobile testing, OBD testing.
- **[Bahtiyorjon Askarov](https://ctcfinder.com/tester/bahtiyorjon-askarov-aurora-il/)** — Aurora, IL 60504 — (405) 370-5170 — 4 mi. Services: mobile testing, OBD testing.
- **[Atmos Shop](https://ctcfinder.com/tester/atmos-shop-plainfield-il/)** — 23855 S Aero Ct, Plainfield, IL 60585 — (347) 570-6537 — 4 mi. Services: mobile testing, OBD testing.
- **[Transmc Truck Service INC](https://ctcfinder.com/tester/transmc-truck-service-inc-plainfield-il/)** — 12505 S Industrial Dr E, Plainfield, IL 60585 — (331) 444-7575 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Credential Tester](https://ctcfinder.com/tester/credential-tester-naperville-il/)** — 2723 Wendy Dr, Naperville, IL 60565 — (630) 808-8242 — 4 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Bojan Grubisa](https://ctcfinder.com/tester/bojan-grubisa-naperville-il/)** — Naperville, IL 60563 — (312) 550-5052 — 6 mi. Services: mobile testing, OBD testing.